Additional Sources for Digitized Newspapers

There are numerous local digitization projects. Even where payment is required for full text, searching is often free.

Try searching for your title in the Digital Public Library of America (DPLA). Or search city/town name + newspapers.

PastPages offers front pages from news sites. Pages are archived hourly and go back to May 2012.

Newspaper Research Links offers state/province lists of digitized newspaper projects

The Catalog of Digital Historical Newspapers  (NewspaperCat) for newspapers published in the United States and the Caribbean.

Google News Archive: Alphabetical list.